1. Boonstra K, Beuers U, Ponsioen CY. Epidemiology of primary sclerosing cholangitis and primary biliary cirrhosis: a systematic review. J Hepatol. 2012; 56:1181–1188.
Article
2. Boonstra K, Weersma RK, van Erpecum KJ, et al. Populationbased epidemiology, malignancy risk, and outcome of primary sclerosing cholangitis. Hepatology. 2013; 58:2045–2055.
Article
3. Karlsen TH, Folseraas T, Thorburn D, Vesterhus M. Primary sclerosing cholangitis: a comprehensive review. J Hepatol. 2017; 67:1298–1323.
4. de Vries AB, Janse M, Blokzijl H, Weersma RK. Distinctive inflammatory bowel disease phenotype in primary sclerosing cholangitis. World J Gastroenterol. 2015; 21:1956–1971.
Article
5. Yang BR, Choi NK, Kim MS, et al. Prevalence of extraintestinal manifestations in Korean inflammatory bowel disease patients. PLoS One. 2018; 13:e0200363.
Article
6. Vavricka SR, Rogler G, Gantenbein C, et al. Chronological order of appearance of extraintestinal manifestations relative to the time of IBD diagnosis in the Swiss Inflammatory Bowel Disease Cohort. Inflamm Bowel Dis. 2015; 21:1794–1800.
Article
7. Folseraas T, Boberg KM. Cancer risk and surveillance in primary sclerosing cholangitis. Clin Liver Dis. 2016; 20:79–98.
Article
8. Truelove SC, Witts LJ. Cortisone in ulcerative colitis; preliminary report on a therapeutic trial. Br Med J. 1954; 2:375–378.
Article
9. Núñez F P, Quera P R, Gomollón F. Primary sclerosing cholangitis and inflammatory bowel disease: intestine-liver interrelation. Gastroenterol Hepatol. 2019; 42:316–325.
Article
10. Yen HH, Weng MT, Tung CC, et al. Epidemiological trend in inflammatory bowel disease in Taiwan from 2001 to 2015: a nationwide populationbased study. Intest Res. 2019; 17:54–62.
Article
11. Wei SC, Shieh MJ, Chang MC, Chang YT, Wang CY, Wong JM. Long-term follow-up of ulcerative colitis in Taiwan. J Chin Med Assoc. 2012; 75:151–155.
Article
12. Dignass A, Eliakim R, Magro F, et al. Second European evidence-based consensus on the diagnosis and management of ulcerative colitis part 1: definitions and diagnosis. J Crohns Colitis. 2012; 6:965–990.
Article
13. Lin WC, Weng MT, Tung CC, et al. Trends and risk factors of mortality analysis in patients with inflammatory bowel disease: a Taiwanese nationwide population-based study. J Transl Med. 2019; 17:414.
Article
14. Singh B, Kedia S, Konijeti G, et al. Extraintestinal manifestations of inflammatory bowel disease and intestinal tuberculosis: frequency and relation with disease phenotype. Indian J Gastroenterol. 2015; 34:43–50.
Article
15. Fagundes ED, Ferreira AR, Hosken CC, Queiroz TC. Primary sclerosing cholangitis in children and adolescents. Arq Gastroenterol. 2017; 54:286–291.
Article
16. Fousekis FS, Theopistos VI, Mitselos IV, et al. Specific features of patients with inflammatory bowel disease and primary sclerosing cholangitis. J Clin Med Res. 2019; 11:81–88.
Article
17. Bajer L, Wohl P, Drastich P. PSC-IBD: specific phenotype of inflammatory bowel disease associated with primary sclerosing cholangitis. Vnitr Lek. 2018; 64:659–664.
Article
18. Chou JW, Lai HC, Chang CH, Cheng KS, Feng CL, Chen TW. Epidemiology and clinical outcomes of inflammatory bowel disease: a hospital-based study in central Taiwan. Gastroenterol Res Pract. 2019; 2019:4175923.
Article
19. Park SH, Yang SK, Park SK, et al. Atypical distribution of inflammation in newly diagnosed ulcerative colitis is not rare. Can J Gastroenterol Hepatol. 2014; 28:125–130.
Article
20. Horio Y, Uchino M, Bando T, et al. Rectal-sparing type of ulcerative colitis predicts lack of response to pharmacotherapies. BMC Surg. 2017; 17:59.
Article
21. Ricciuto A, Kamath BM, Griffiths AM. The IBD and PSC phenotypes of PSC-IBD. Curr Gastroenterol Rep. 2018; 20:16.
Article
22. Palmela C, Peerani F, Castaneda D, Torres J, Itzkowitz SH. Inflammatory bowel disease and primary sclerosing cholangitis: a review of the phenotype and associated specific features. Gut Liver. 2018; 12:17–29.
Article
23. Jess T, Rungoe C, Peyrin-Biroulet L. Risk of colorectal cancer in patients with ulcerative colitis: a meta-analysis of population-based cohort studies. Clin Gastroenterol Hepatol. 2012; 10:639–645.
Article
24. Zheng HH, Jiang XL. Increased risk of colorectal neoplasia in patients with primary sclerosing cholangitis and inflammatory bowel disease: a meta-analysis of 16 observational studies. Eur J Gastroenterol Hepatol. 2016; 28:383–390.
Article
25. Weismüller TJ, Trivedi PJ, Bergquist A, et al. Patient age, sex, and inflammatory bowel disease phenotype associate with course of primary sclerosing cholangitis. Gastroenterology. 2017; 152:1975–1984.